Update microsoft-defender-antivirus-on-windows-server-2016.md

windows/security/threat-protection/microsoft-defender-antivirus/microsoft-defender-antivirus-on-windows-server-2016.md

@@ -10,7 +10,7 @@ ms.sitesec: library
 ms.localizationpriority: medium
 author: denisebmsft
 ms.author: deniseb
-ms.date: 01/04/2021
+ms.date: 01/21/2021
 ms.reviewer: pahuijbr, shwjha
 manager: dansimp
 ---
@@ -23,9 +23,12 @@ manager: dansimp
 
 - [Microsoft Defender for Endpoint](https://go.microsoft.com/fwlink/p/?linkid=2146631)
 
-Microsoft Defender Antivirus is available on Windows Server 2016 and 2019. In some instances, Microsoft Defender Antivirus is referred to as *Endpoint Protection*; however, the protection engine is the same.
+Microsoft Defender Antivirus is available on the following editions/versions of Windows Server:
+- Windows Server 2019
+- Windows Server, version  1803 or later
+- Windows Server 2016. 
 
-While the functionality, configuration, and management are largely the same for [Microsoft Defender Antivirus on Windows 10](microsoft-defender-antivirus-in-windows-10.md), there are a few key differences on Windows Server 2016 and 2019:
+In some instances, Microsoft Defender Antivirus is referred to as *Endpoint Protection*; however, the protection engine is the same. Although the functionality, configuration, and management are largely the same for [Microsoft Defender Antivirus on Windows 10](microsoft-defender-antivirus-in-windows-10.md), there are a few key differences on Windows Server:
 
 - In Windows Server, [automatic exclusions](configure-server-exclusions-microsoft-defender-antivirus.md) are applied based on your defined Server Role.
 - In Windows Server, Microsoft Defender Antivirus does not automatically disable itself if you are running another antivirus product.
@@ -34,29 +37,29 @@ While the functionality, configuration, and management are largely the same for
 
 The process of setting up and running Microsoft Defender Antivirus on a server platform includes several steps:
 
-1. [Enable the interface](#enable-the-user-interface-on-windows-server-2016-or-2019).
+1. [Enable the interface](#enable-the-user-interface-on-windows-server).
-2. [Install Microsoft Defender Antivirus](#install-microsoft-defender-antivirus-on-windows-server-2016-or-2019).
+2. [Install Microsoft Defender Antivirus](#install-microsoft-defender-antivirus-on-windows-server).
 3. [Verify Microsoft Defender Antivirus is running](#verify-microsoft-defender-antivirus-is-running).
 4. [Update your antimalware Security intelligence](#update-antimalware-security-intelligence).
 5. (As needed) [Submit samples](#submit-samples).
 6. (As needed) [Configure automatic exclusions](#configure-automatic-exclusions).
 7. (Only if necessary) [Set Microsoft Defender Antivirus to passive mode](#need-to-set-microsoft-defender-antivirus-to-passive-mode).
 
-## Enable the user interface on Windows Server 2016 or 2019
+## Enable the user interface on Windows Server
 
-By default, Microsoft Defender Antivirus is installed and functional on Windows Server 2016 and 2019. The user interface (GUI) is installed by default on some SKUs, but is not required because you can use PowerShell or other methods to manage Microsoft Defender Antivirus. And if the GUI is not installed on your server, you can add it by using the Add Roles and Features Wizard or by using PowerShell.
+By default, Microsoft Defender Antivirus is installed and functional on Windows Server. The user interface (GUI) is installed by default on some SKUs, but is not required because you can use PowerShell or other methods to manage Microsoft Defender Antivirus. If the GUI is not installed on your server, you can add it by using the **Add Roles and Features** wizard, or by using PowerShell cmdlets.
 
 ### Turn on the GUI using the Add Roles and Features Wizard
 
-1. Refer to [this article](https://docs.microsoft.com/windows-server/administration/server-manager/install-or-uninstall-roles-role-services-or-features#install-roles-role-services-and-features-by-using-the-add-roles-and-features-wizard), and use the **Add Roles and Features Wizard**.
+1. See [Install roles, role services, and features by using the add Roles and Features Wizard](https://docs.microsoft.com/windows-server/administration/server-manager/install-or-uninstall-roles-role-services-or-features#install-roles-role-services-and-features-by-using-the-add-roles-and-features-wizard), and use the **Add Roles and Features Wizard**.
 
 2. When you get to the **Features** step of the wizard, under **Windows Defender Features**, select the **GUI for Windows Defender** option.
 
-In Windows Server 2016, the **Add Roles and Features Wizard** looks like this:
+   In Windows Server 2016, the **Add Roles and Features Wizard** looks like this:
 
-![Add roles and feature wizard showing the GUI for Windows Defender option](images/server-add-gui.png)
+   ![Add roles and feature wizard showing the GUI for Windows Defender option](images/server-add-gui.png)
 
-In Windows Server 2019, the **Add Roles and Feature Wizard** looks much the same.
+   In Windows Server 2019, the **Add Roles and Feature Wizard** is similar.
 
 ### Turn on the GUI using PowerShell
 
@@ -66,7 +69,7 @@ The following PowerShell cmdlet will enable the interface:
 Install-WindowsFeature -Name Windows-Defender-GUI
 ```
 
-## Install Microsoft Defender Antivirus on Windows Server 2016 or 2019
+## Install Microsoft Defender Antivirus on Windows Server
 
 You can use either the **Add Roles and Features Wizard** or PowerShell to install Microsoft Defender Antivirus.
 
@@ -111,7 +114,7 @@ The `sc query` command returns information about the Microsoft Defender Antiviru
 
 ## Update antimalware Security intelligence 
 
-In order to get updated antimalware Security intelligence, you must have the Windows Update service running. If you use an update management service, like Windows Server Update Services (WSUS), make sure that updates for Microsoft Defender Antivirus Security intelligence are approved for the computers you manage.
+To get updated antimalware security intelligence, you must have the Windows Update service running. If you use an update management service, like Windows Server Update Services (WSUS), make sure that updates for Microsoft Defender Antivirus Security intelligence are approved for the computers you manage.
 
 By default, Windows Update does not download and install updates automatically on Windows Server 2019 or Windows Server 2016. You can change this configuration by using one of the following methods:
 
@@ -195,10 +198,22 @@ To turn off the Microsoft Defender Antivirus GUI, use the following PowerShell c
 Uninstall-WindowsFeature -Name Windows-Defender-GUI
 ```
 
+### Are you using Windows Server 2016?
+
+If you are using Windows Server 2016 and a third-party antimalware/antivirus product that is not offered or developed by Microsoft, you'll need to disable/uninstall Microsoft Defender Antivirus. 
+
+> [!NOTE]
+> You can't uninstall the Windows Security app, but you can disable the interface with these instructions.
+
+The following PowerShell cmdlet uninstalls Microsoft Defender Antivirus on Windows Server 2016:
+
+```PowerShell
+Uninstall-WindowsFeature -Name Windows-Defender
+```
+
 ## See also
 
 - [Microsoft Defender Antivirus in Windows 10](microsoft-defender-antivirus-in-windows-10.md)
-
+- [Microsoft Defender Antivirus compatibility](microsoft-defender-antivirus-compatibility.md)
-- [Configure exclusions in Microsoft Defender AV on Windows Server](configure-server-exclusions-microsoft-defender-antivirus.md)